Tag Archives: wind

What Height to Expect from this Evening’s Deluge

We are looking at a coastal flood around New York City region tonight that is nearly certain to be record-breaking.  The morning flood at The Battery and other nearby locations was close to the flood elevation of Irene, and only … Continue reading

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Dangerous, Likely Recordbreaking Surge Coming to NYC

Sandy’s storm surge for New York Harbor is almost definitely going to be worse than Irene’s, and it is likely to cause several feet higher flooding.  There is a good chance (about 50%) that flood elevations at Manhattan and nearby … Continue reading

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Sandy’s Storm Surge Forecast Interpretation: Steady and Not Good

The forecasts are gradually steadying for the storm surge flood elevations for Sandy, but strong uncertainty exists because the timing of the flood relative to high tide can make all the difference … The “central forecast” for the storm is … Continue reading

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Sandy’s Flood Forecast Gets Bleaker (and Bleeker?)

Our six-hour update just came in and it’s not good news for New York City and areas of New Jersey inside NY/NJ Harbor — the model forecast for Monday night rose two feet higher at The Battery, so now it … Continue reading

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Sandy/Frankenstorm Storm Surge Forecast Interpretation

Here comes Hurricane Sandy, aka Frankenstorm — The “central forecast” for the storm is for it make landfall as a Category 1 hurricane with maximum winds of about 70-80 mph, and run a northwestward course over Southern New Jersey.  Quite … Continue reading

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Birds-Eye and Fish-Eye Views of Irene’s Floodwaters

Approaching the anniversary of last year’s landfall in New York City of Tropical Storm Irene, I decided to make some animations of that storm’s flood elevations and water currents.  The model-based animations have voice-overs explaining what happened in the water during … Continue reading

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Blowing out the Ocean’s Waters

A fellow blogger over at Spoonbeams read my post on king tides and beachcoming  and asked what caused this Sunday’s extreme low tide in the Hudson way up near Germantown, which was baring previously unseen underwater obstacles. Here’s a plot … Continue reading

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Rain- and Wind-Driven Coastal Flooding

I’ve been receiving automated notifications on coastal flooding from the Storm Surge Warning System today.  The nor’easter that is hitting us is packing 20-40 mile per hour winds, and driving water against our shorelines.  Water levels are expected to peak … Continue reading

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Latest plume forecast for Japan

Future Japan air and water radiation plume updates will continue at a different blog site so change your bookmarks. Predicted plume dispersion over the next 36 hours (through morning of 17 March, Japan Standard Time).  Although the plume was directed … Continue reading

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Airborne plume dispersion in coastal areas

New York City, like most megacities including Tokyo, does not have mechanisms in place to evacuate the population of the entire city.  Even the direst catastrophic scenarios entail a strategy of sheltering in place for at least some of the … Continue reading

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